package com.bdqn.Di1Zhan;

import com.bdqn.Di1Zhan.entity.Person;

import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;

public class GetClassConstructorsInfo {
    public static void main(String[] args) {
        Constructor [] cons = Person.class.getDeclaredConstructors();

        System.out.println("===========构造方法展示===============");
        for (Constructor con:cons) {
            System.out.println("访问修饰符");
            int modifier = con.getModifiers();
            if ((modifier & Modifier.PUBLIC) == Modifier.PUBLIC)
                System.out.println("public");
            else if ((modifier & Modifier.PROTECTED) == Modifier.PROTECTED)
                System.out.println("protected");
            else if ((modifier & Modifier.PRIVATE) == Modifier.PRIVATE)
                System.out.println("private");
            else
                System.out.println("default(package)");

            Class [] params = con.getParameterTypes();
            if (params.length == 0){
                System.out.println("该构造方法没有参数");
            }else {
                System.out.println("该构造方法的参数列表为：[");
                for (int i = 0; i < params.length; i++) {
                    if (i != 0)
                        System.out.println(",");
                    System.out.println(params[i].getName());
                }
                System.out.println("]");
            }
            System.out.println("-------------------------");
        }
    }
}
